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Food Chains / Energy Pyramid

Total questions: 141

Worksheet time: 2hrs 55mins

Name
Class
Date
1.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
2.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
3.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
4.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
5.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
6.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
7.
What's the role of consumers in a food chain?
a)
Use sunlight to make food 
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
8.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
9.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
10.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
11.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
12.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
13.
Which type of consumer is always a first consumer?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
14.
Which type of consumer could be a first or second consumer?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
15.
Which is the correct food chain order?
a)
Plant-->1st Consumer--> 2nd Consumer 
b)
Plant <-- 1st Consumer <-- 2nd Consumer
c)
2nd consumer     --> 1st consumer  --> Plant
d)
1st Consumer      --> 2nd consumer --> Plant
16.
Which of the following is a producer?
a)
Maple tree
b)
Sunfish
c)
Bunny
d)
Bear
17.
Which of these is a decomposer?
a)
Fungi
b)
Hawk
c)
Dog
d)
Grass
18.
True/False
Food webs show you everything an animal eats. Food chains show you one thing.
a)
True
b)
False
19.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
20.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
21.
What do the arrows show in a food chain picture?
a)
They always point to the smallest animals.
b)
They point to the animal that tastes the best.
c)
They always point to the producers.
d)
They point in the direction that energy is flowing.
22.
Producers get their energy from the ______.
a)
water
b)
Sun
c)
eating animals
d)
eating plants
23.
Which organism is a decomposer?
a)
grass
b)
mouse
c)
mushroom
d)
caterpillar
24.
What is the name of the organism at the beginning of every food chain?
a)
producers
b)
consumers
c)
herbivores
d)
carnivores
25.
Which organisms are the consumers?
a)
deer and squirrel
b)
flowers and deer
c)
deer and mushrooms
d)
squirrel and mushrooms
26.
Which organism is a producer?
a)
deer
b)
trees
c)
birds
d)
worms
27.
Which food chain is in the correct order?
a)
cat, grass, bird, snail
b)
bird, snail, grass, cat
c)
grass, snail, bird, cat
d)
grass, cat, bird, snail
28.
Molds, bacteria, and worms are ________.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
29.
Which food chain is in the correct order?
a)
Sun, bird, caterpillar, plant
b)
bird, caterpillar, plant, Sun
c)
Sun, plant, caterpillar, bird
d)
caterpillar, Sun, bird, plant
30.
Green plants are _______.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
31.
Organisms that eat only plants are ______.
a)
carnivores
b)
herbivores
c)
omnivores
d)
food chains
32.
Organisms that only eat meat are ______.
a)
omnivores
b)
carnivores
c)
herbivores
d)
food chains
33.
Organisms that eat both meat and plants are _______.
a)
herbivores
b)
omnivores
c)
carnivores
d)
food chains
34.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
35.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
36.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
37.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
38.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
39.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
40.
What is a trophic level?
a)
Each level represented within a food chain or web.
b)
Levels of ecosystems that the world is divided into.
c)
Different levels of nutrients present within an organism.
d)
The levels of sunlight an autotroph needs to survive. 
41.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
42.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
43.
Why is there a limited amount of energy that can be passed on to the next feeding level?
a)
There is never enough sunlight available. 
b)
Some ecosystems have limited resources. 
c)
Organisms use some of the energy they get from eating.
d)
All the energy is available to be passed on. 
44.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
45.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
46.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
47.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
48.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
49.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
50.
The image provided is an example of a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
51.
The image provided is an example of a(n):
a)
Autotroph
b)
Carnivore
c)
Herbivore
d)
Decomposer
52.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
53.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
54.
The way energy is passed from one organism to another
a)
food chain
b)
energy
c)
extinct
d)
habitat
55.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
56.
What four things do every organism need for survival?
a)
food, water, dirt, and a hat
b)
protection, water, food, and air
c)
air, sun, dirt, and water
d)
light, electricity, and worms
57.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
58.
Example of a consumer
a)
worm
b)
bacteria
c)
mushroom
d)
hawk
59.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
60.
Mold is a 
a)
producer
b)
consumer
c)
decomposer
61.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
62.
Humans are considered...
a)
consumers
b)
decomposers
c)
producers
63.
Worms are considered...
a)
producer
b)
consumer
c)
decomposer
64.
Frogs are considered...
a)
consumers
b)
decomposers
c)
producers
65.
Grass is considered a ...
a)
consumer
b)
producer
c)
decomposer
66.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
67.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
68.
An organism that gets energy from eating other organisms is a ______________
a)
producer
b)
consumer
c)
decomposer
d)
prey
69.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
d)
population
70.
An animal that is hunted and eaten for food is a 
a)
predator
b)
prey
c)
population
71.
An organism that gets energy from breaking down dead organisms, non-living material or waste
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
72.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
d)
an animal that makes its own energy through photosynthesis
73.
An animal that gets energy from eating both plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
74.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
75.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
76.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
77.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
78.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
79.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
80.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
81.
If a frog is the prey, what could be the predator?
a)
Grass
b)
Insect
c)
Snake
d)
Snail
82.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
83.
What's the role of consumers in a food chain?
a)
Use sunlight to make food 
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
84.
True or False. In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
85.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
86.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
87.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
88.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.
a)
True
b)
False
89.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
90.
Which of this energy roles is always located at the bottom of an energy pyramid?
a)
Producer
b)
Second-Level Carnivores
c)
Herbivores.
d)
First-Level Consumers.
91.
Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is
a)
Used in reproduction
b)
Stored as body fat
c)
Stored as body tissue
d)
Eliminated as heat
92.
The diagram is intended to show relationships in an ecosystem. What do the arrows represent?
a)
The direction of population migration
b)
Differences in dietary habits
c)
Progressively smaller organisms
d)
The direction of the energy flow
93.
A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?
a)
A
b)
B
c)
C
d)
D
94.
If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?
a)
coyote
b)
insect
c)
lizard
d)
shrub
95.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
96.
Which organism in figure 1 contains the most available energy?
a)
plants
b)
mountain lions
c)
hawks
d)
none of the above
97.
In this Food Web Pyramid what is the proper name for the organisms above the producer level at the bottom.
a)
herbivores
b)
decomposer
c)
carnivores 
d)
omnivores
98.
The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
99.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
100.
The organism that does the killing in a predation interaction
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
101.
The struggle between organisms to survive as they attempt to use the same resource
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
102.
The role of an organism in its habitat, or how it makes its living
a)
Niche
b)
Prey
c)
Competition
d)
Adaptation
103.
A behavior or physical characteristic that allows an organism to survive
a)
Niche
b)
Prey
c)
Competition
d)
Adaptation
104.
Camouflage is an example of an ______________________ that a prey might have to survive.
a)
Niche
b)
Prey
c)
Competition
d)
Adaptation
105.
On a safari at night, a lion hunts and feeds on an antelope. In this relationship, the lion is the ____________________ and the antelope is the _________________.
a)
Parasite/host
b)
Predator/prey
c)
Prey/Predator
106.
In predation, the organism that kills another organism for food is the prey.
a)
True
b)
False
107.
A tapeworm, which is living inside a mouse's body is a predator.
a)
True
b)
False
108.
If a hawk eats a snake, the snake is the...
a)
Predator
b)
Alpha
c)
Prey
d)
Mutualistic partner
109.
What role does the mouse play?
a)
Predator
b)
Prey
110.
What role does the lynx (wild cat) play?
a)
Predator
b)
Prey
111.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
112.
Barn owls hunt shrews. In this example what is a barn owl?
a)
Herbivore/Predator
b)
Carnivore/Prey
c)
Carnivore/Predator
113.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
114.
Which of the following would be considered to be prey?
a)
an animal that has to hunt for its food
b)
an animal that is eaten by another animal
c)
an organism that makes it own food
d)
an organism that feeds on the blood of another animal
115.
A consumer that hunts is called:
a)
a producer.
b)
an omnivore.
c)
a predator.
d)
a herbivore.
116.
How do consumers get their energy? 
a)
laying in the sun
b)
eating other organisms 
c)
providing food for other organisms
d)
surviving in an ecosystem 
117.
Camouflage is an example of an ______________________ that a prey might have to survive.
a)
Niche
b)
Prey
c)
Competition
d)
Adaptation
118.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
119.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
120.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
121.
A food web can be broken down into several seperate
a)
food chains
b)
food pyramids
c)
producers
d)
consumers
122.
The owl receives energy from which organisms?
a)
grasshopper and mouse
b)
mouse and rabbit
c)
rabbit and butterfly
d)
butterfly and frog
123.
An animal that is hunted and eaten for food is a __________.
a)
predator
b)
prey
c)
population
124.

The bear is the ________________ the fish is the ___________________.

a)

Autotroph, Heterotroph

b)

Prey, Predator

c)

Predator, Predator

d)

Predator, Prey

125.

Who is the consumer in this specific case?

a)

The bull

b)

The lion

c)

The grass

d)

The wind

126.
In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?
a)
There would be an overpopulation of arctic hares and lemmings.
b)
Polar bears would move to a new ecosystem.
c)
The ecosystem would collapse, because it lost its main producer.
d)
Wildflowers would die out from the ecosystem.
127.
Which organism is a primary producer?
a)
phytoplankton
b)
krill
c)
copepods
d)
carnivorous plankton
128.
In the aquatic food web below, which two organisms have a predator-prey relationship?
a)
Shad and sturgeons
b)
Sturgeons and blue crabs
c)
Blue crabs and rangia clams
d)
Phytoplankton and amphipods
129.

what is a consumer?

a)

gains energy by eating producers

b)

makes its own energy

c)

a big rock

d)

a small rock

130.

All plants are ________________.

a)

Producers

b)

Consumers

131.

What is the producer in this food chain?

a)

Python

b)

Frog

c)

Grasshopper

d)

Grass

132.

what is a consumer?

a)

gains energy by eating producers

b)

makes its own energy

c)

a big rock

d)

a small rock

133.

In Predator/Prey Graphs what happens to Prey numbers if Predator numbers decrease.

a)

The prey numbers INCREASE

b)

The prey numbers DECREASE

134.

In Predator/Prey Graphs what happens to Predator numbers if Prey numbers decrease.

a)

The predator numbers INCREASE

b)

The predator numbers DECREASE

135.

In Predator/Prey Graphs what happens to Predator numbers if Prey numbers increase.

a)

The predator numbers INCREASE

b)

The predator numbers DECREASE

136.

In Predator/Prey Graphs what happens to Prey numbers if Predator numbers increase.

a)

The prey numbers INCREASE

b)

The prey numbers DECREASE

137.
What statement is TRUE about the graph?
a)
The prey is the green line because there needs to be more prey than predators.
b)
The prey is the red line because there needs to be more predators than prey.
c)
The green line is the producers
d)
The red line is the producers
138.

Predator population lags behind prey population because:

a)

Increase in predators leads to decrease in prey

b)

Increase in predators leads to increase in prey

c)

Increase in predators leads to decrease in producers

139.
This graph shows ....
a)
When one population inceases, the other decreases. 
b)
When one population decreases, the other inceases. 
c)
When one population increases, the other increases instantly. 
d)
When one population increases, the other increases shortly after. 
140.
What color line shows the predators? 
a)
black
b)
red
141.

Which example below is an behavioral adaptation?

a)

A seal's layer of blubber keeps it warm.

b)

A pack of wolves chase a moose.

c)

A cheetah's spots make it hard to see.

d)

A turtle's shell protects it from predators.